The Ruck ISOR 450 EC K 01 is a fully insulated 450mm single box fan designed for quiet, efficient, and reliable ventilation. It features a backward curved centrifugal impeller housed in galvanized sheet steel, with connection spigots using double lip seals for secure and airtight airflow. The swing-out fan unit allows convenient access for maintenance. An external rotor EC motor provides stepless speed control for precise, energy-efficient operation, while internal electronic temperature monitoring ensures safe and dependable performance. Suitable for outdoor installation, this fan delivers high-performance ventilation for commercial, industrial, and specialist applications.